| 摘要 |
<p>PROBLEM TO BE SOLVED: To adjust a gap between two driving means so that a position of an axis of a slim element such as a cable is kept irrespective to its transversal dimension, an a driving device for advancing the element. SOLUTION: A gap between platforms 114, 124 is controlled by a first spring means 302; movement for bringing the platforms 114, 124 close is controlled by sliding movement of a movable stirrup 31 which is slidably mounted on a carrier 30 attached on a support structural body 10; and the stirrup 31 is connected to each of the movable platforms 114, 124.</p> |
